TS-35 Mount
Ultra-Slim 35mm
Factory Direct Portfolio
Industrial Power & Backup Conversion Hardware for Malmö OEM Builders
Precision-engineered DC power supplies, active PFC regulators, and ruggedized power modules ready for rapid integration into Sweden's automated machinery and sub-distribution grids.
IP67 Waterproof
Harsh Climate
LDV-100 Factory Direct 100W Waterproof LED Driver 12V 24V Outdoor AC to DC Transformer
3000W High Output
Adjustable SMPS
3000W High Voltage DC Power Supply 110V 27.3A Adjustable Converter for Industrial Use
Wide Voltage In
50Hz / 60Hz
100W Industrial AC/DC Switching Power Supply Wide Input Single Output for Machinery
Active PFC
12V 40A Continuous
SP-500-12 12V 40A 500W Switching Power Supply with Active PFC & Cooling Fan
24V 20A DC Rail
Industrial Grade
500W 24V 20A Switching Power Supply AC-DC Converter 90–264VAC Industrial Automation
Triple Output
5V / 12V / -12V
T-30 30W Triple Output Switching Power Supply AC to DC Converter for Laboratory Testing
DIN Rail TS-35
Low Standby Load
MDR-20 20W DIN Rail Switching Power Supply 12V 1.67A 24V 1A Single Output for PLC Panels
Regional Application Matrix
Engineering Continuous Power for Malmö's Mission-Critical Clusters
Malmö stands as southern Sweden’s prime logistical hub and clean-tech innovation center. From the bustling maritime corridors of Malmö Hamn to the advanced automated life-science manufacturing parks of Medicon Village and Hyllie, stable DC voltage and uninterruptible power are foundational requirements.
Maritime Port & Cold-Chain Logistics
Malmö’s intermodal freight terminals demand ruggedized DC topologies capable of enduring Baltic coastal salinity, humidity, and wide ambient temperature swings (-25°C to +70°C). Our conformal-coated SMPS and IP67 DC power supplies safeguard PLC automation, automated container handling cranes, and refrigerated warehouse telemetry networks against devastating micro-outages.
Life Sciences & MedTech Automation
Within the Skåne biomedical corridor, laboratory centrifuges, automated reagent dispensaries, and clinical incubation cleanrooms require electrical topologies with exceptionally low harmonic distortion, ultra-low ripple (<50mVp-p), and uncompromising electromagnetic compatibility adhering to EN 61000-6-3 / EN 55032 Class B thresholds.
Edge Data Centers & Smart Grid Infrastructure
As the primary Swedish gateway of the Öresund transnational data corridor, Malmö's telecom shelters and distributed edge facilities mandate N+1 parallel redundant power conversion. Active power factor correction (PFC > 0.95) coupled with instant-transfer battery-backup circuits mitigates grid harmonic penalties and protects fiber optic terminal switches.
Regulatory & Green Transition
Navigating Sweden’s Strict Energy Efficiency Directives
Sweden’s aggressive decarbonization targets under the Miljömål framework necessitate that OEMs and panel builders across Malmö prioritize conversion efficiency exceeding 90% across 50% to 100% load spectra. Standardizing on low-loss switching topologies directly lowers parasitic cabinet heating, slashing cabinet air conditioning overhead.
- Compliance with EU Ecodesign: Sub-0.5W zero-load standby dissipation aligns with stringent Swedish industrial environmental mandates.
- Total Harmonic Distortion (THD) Containment: Integrated active PFC mitigates line-side current harmonics under EN 61000-3-2 limits.
- Electrification Compatibility: Direct integration with solar array buffers (PWM/MPPT) and lithium iron phosphate (LiFePO4) storage chemistry.
Nordic Supply Chain Resilience
Mitigating Lead-Time Volatility in the Malmö Industrial Corridor
Recent supply disruptions across European component distributors have left Swedish manufacturers vulnerable to 26–52 week component lead times. By partnering directly with an audited Chinese manufacturer equipped with internal SMT lines and dedicated material reserves, Malmö distributors secure reliable lead-time certainty.
- Direct Factory Assurance: Complete bypass of third-party trading markups, lowering landed procurement cost by 22% to 35%.
- Buffer Stock & Blanket Ordering: Scheduled pallet dispatches to Gothenburg or Malmö Frihamn under transparent DDP/CIF terms.
- Rapid Prototype Turnaround: Fully functional sample testing and custom enclosure adaptations delivered within 10–14 working days.
Factory Verification & Technical Capabilities
Why Malmö Engineers and Procurement Leaders Rely on Keldan
Operating from Yueqing, Zhejiang—the global capital of industrial low-voltage electrical engineering—Yueqing Keldan Technology Co., Ltd. combines nearly two decades of precision manufacturing with rigorous international third-party compliance.
TÜV Rheinland Audited
Our production facilities, testing racks, QA protocol checkpoints, and export infrastructure are fully verified onsite by TÜV Rheinland for uncompromised B2B reliability.
Certified Custom Manufacturer18+ Years Specialized R&D
Staffed by dedicated electrical engineers possessing over 5 years of individual SMPS design tenure. We customize voltage, current, casing, and terminal pinouts to OEM prints.
OEM / ODM Custom EngineeringFull CE, RoHS & LVD Compliance
Every industrial unit adheres to European Union standards including EN 62368-1 for safety and EN 55032 for electromagnetic compatibility, easing your product certification process.
European Market ReadyDedicated International Logistics
A specialized 12-person export trading division manages customs clearance, palletization, hazardous component declarations, and door-to-door transit into Skåne county.
Seamless Nordic Delivery
Quality Engineering Gateways
Zero-Defect Quality Control Built for Mission-Critical Infrastructure
Power supply downtime in automated operations is intolerable. We utilize an 8-stage manufacturing quality protocol that eliminates defect migration before assembly completion.
Incoming Component Inspection
100% of solid electrolytic capacitors, switching MOSFETs, and ferrite cores undergo ESR and dielectric stress testing against approved vendor datasheets.
Automated SMT Placement
High-speed pick-and-place robotics position surface-mount resistors, controllers, and diodes with sub-micron precision on lead-free FR-4 boards.
Multi-Zone Reflow Soldering
Computerized thermal curve profiles ensure void-free, ductile solder fillets that withstand vibrational stresses found in industrial transit and machinery.
AOI Automated Optical Inspection
High-resolution telecentric optical sensors scan every PCB trace, identifying micro-bridging, misaligned components, and solder insufficiency instantly.
Through-Hole Manual Welding
High-power transformers, chokes, and aluminum heat-sinks are hand-soldered by certified technicians according to IPC-A-610 Class II standards.
Precision Tuning & Calibration
Electrical potentiometers and protection thresholds (OVP, OCP, SCP) are actively calibrated and ripple margins verified under electronic dynamic load.
100% Full-Load Burn-in
Every production module is loaded into thermal testing chambers, operating at maximum load (100% duty cycle) for 4 to 12 hours to eradicate early-life mortality.
Final Dielectric & Release Check
Hi-pot isolation testing (up to 3000VAC Input-to-Output), insulation resistance checks, and cosmetic inspections precede ESD-shielded vacuum packaging.
Procurement & Technical FAQ
Frequently Asked Questions from Swedish Industrial Buyers
Answers to technical, regulatory, and supply-chain questions frequently raised by procurement departments, electrical contractors, and automation engineers in the Öresund region.
Are Keldan power supplies fully certified for Swedish and European electrical grids?
Yes. All standard DIN rail power supplies, switching power supplies, and inverters manufactured by Yueqing Keldan Technology carry complete CE certification adhering to the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU). Units conform to EN 62368-1 safety benchmarks and EN 55032 / EN 61000 industrial immunity thresholds. Detailed third-party test reports, RoHS certificates, and Declarations of Conformity (DoC) are provided with engineering samples.
How do your switching supplies behave under sub-zero Scandinavian winter conditions?
Standard industrial models operate reliably between -20°C and +60°C. For unheated Swedish substation panels, outdoor telecom enclosures, and marine terminal installations in Malmö, we offer conformal PCB coating (anti-moisture, anti-fungus, anti-salt-spray) and low-temperature start-up modifications rated down to -40°C cold-boot conditions without cold-cracking solder deterioration.
What are the lead times and shipping options for consignments entering Malmö?
Sample orders and initial trial batches ship via express air courier (DHL, FedEx, UPS) directly to Malmö within 5 to 7 business days. For volume manufacturing orders, maritime sea freight typically docks at Gothenburg or Copenhagen/Malmö port within 28 to 35 days. We provide comprehensive Incoterms handling including EXW, FOB Ningbo/Shanghai, CIF, and door-to-door DDP (Delivered Duty Paid), taking full charge of Swedish import customs clearance.
Can Keldan configure custom DC output rails or OEM branding for our panel series?
Absolutely. Our in-house R&D engineering team specializes in custom design-based and sample-based development. We accommodate non-standard output voltages (such as 36V, 48V, or high-voltage 110V/220V DC), custom terminal block orientations, tailored metal casing dimensions, customer private labeling, laser-etched serial tracking, and bespoke packaging according to your specific OEM project criteria.
What Minimum Order Quantity (MOQ) applies to standard versus OEM orders?
To assist automation engineering teams with prototyping and evaluation, standard catalog products (such as NDR, MDR DIN rail modules and standard enclosed SMPS) have an MOQ of just 1 piece. Medium-volume series start from 10 to 15 pieces, while fully customized OEM/ODM projects are quoted with realistic batch thresholds tailored to unit wattage and chassis complexity.
How does your factory ensure warranty support and technical assistance remotely?
We provide a 2 to 3-year factory replacement warranty on our industrial-grade power supply range. In the rare event of a component failure in the field, our engineering team conducts root-cause circuit analysis via high-resolution photos and diagnostic data, issuing immediate buffer stock replacements on subsequent dispatches to ensure continuous operation for our partners.
